void
TaskPointRenderer::DrawOrdered(const OrderedTaskPoint &tp, Layer layer)
{
switch (layer) {
case LAYER_OZ_SHADE:
if (tp.BoundingBoxOverlaps(bb_screen))
// draw shaded part of observation zone
DrawOZBackground(canvas, tp);
break;
case LAYER_LEG:
if (index > 0)
DrawTaskLine(last_point, tp.GetLocationRemaining());
last_point = tp.GetLocationRemaining();
break;
case LAYER_OZ_OUTLINE:
if (tp.BoundingBoxOverlaps(bb_screen))
DrawOZForeground(tp);
break;
case LAYER_SYMBOLS:
return;
}
}
void
TaskPointRenderer::DrawOrdered(const OrderedTaskPoint &tp, Layer layer)
{
int offset = index - active_index;
if (offset == 0 && task_finished && tp.GetType() == TaskPointType::FINISH)
/* if the task is finished, pretend the active_index is past the
current index; we need this because XCSoar never moves
active_index to one after the finish point, because that would
point to an invalid task point index */
offset = -1;
switch (layer) {
case LAYER_OZ_SHADE:
if (tp.BoundingBoxOverlaps(bb_screen))
// draw shaded part of observation zone
DrawOZBackground(canvas, tp, offset);
break;
case LAYER_LEG:
if (index > 0)
DrawTaskLine(last_point, tp.GetLocationRemaining());
last_point = tp.GetLocationRemaining();
break;
case LAYER_OZ_OUTLINE:
if (tp.BoundingBoxOverlaps(bb_screen)) {
if (mode_optional_start && offset == 0)
/* render optional starts as deactivated */
offset = -1;
DrawOZForeground(tp, offset);
}
break;
case LAYER_SYMBOLS:
return;
}
}
bool
OrderedTask::CheckTransitionPoint(OrderedTaskPoint &point,
const AircraftState &state,
const AircraftState &state_last,
const FlatBoundingBox &bb_now,
const FlatBoundingBox &bb_last,
bool &transition_enter,
bool &transition_exit,
bool &last_started,
const bool is_start)
{
const bool nearby = point.BoundingBoxOverlaps(bb_now) ||
point.BoundingBoxOverlaps(bb_last);
if (nearby && point.TransitionEnter(state, state_last)) {
transition_enter = true;
if (task_events != NULL)
task_events->EnterTransition(point);
}
if (nearby && point.TransitionExit(state, state_last, task_projection)) {
transition_exit = true;
if (task_events != NULL)
task_events->ExitTransition(point);
// detect restart
if (is_start && last_started)
last_started = false;
}
if (is_start)
UpdateStartTransition(state, point);
return nearby
? point.UpdateSampleNear(state, task_projection)
: point.UpdateSampleFar(state, task_projection);
}